Question: What are thebarycenter which start with the letter center
Paraphrase: What are thebarycenter which begin with the letter center
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q809690 . ?sbj rdfs:label ?sbj_label . FILTER(CONTAINS(lcase(?sbj_label), 'center')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: Galactic Center, Galactic Center of Milky Way, Earth-Moon barycenter, Earth-Moon barycenter, Saturn barycenter, Saturn barycenter, Mercury barycenter, Mercury barycenter, Neptune barycenter, Neptune barycenter, Uranus barycenter, Uranus barycenter, Solar System barycenter, Solar System barycenter, Pluto barycenter, Pluto barycenter, Venus barycenter, Venus barycenter, Mars barycenter, Mars barycenter, Jupiter barycenter, Jupiter barycenter